Intelligent lift interlock system
US6594565B1 · kind B1 · utility
13Cited by
14References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2001 |
| Grant date | Jul 15, 2003 |
| Priority date | — |
| Expiry date | Jul 16, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G2220/16
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A microprocessor controlled system for ensuring the safe operation of an auxiliary device, such as a wheelchair lift used in conjunction with a vehicle. The microprocessor preferably allows operation of the lift device when one or more parameters are met. These parameters include the following: the vehicle is in park, the parking brake is engaged, the vehicle ignition is on, the lift power switch is on, and the lift door is open. The present invention further does not allow the vehicle to shifted out of park if the lift door is open and/or when the parking brake is on.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.